Changes

FFmpeg needs to be run from the command line, but you can create batch scripts to automate the process for multiple files. There is also a plugin for Python (https://pypi.org/project/ffmpeg-python/), but it is fairly limited so we recommend using subprocess instead (see example below).

FFmpeg needs to be run from the command line, but you can create batch scripts to automate the process for multiple files. There is also a plugin for Python (https://pypi.org/project/ffmpeg-python/), but it is fairly limited so we recommend using subprocess instead (see example below).

The following are examples of conversions that we commonly use. For [[Psychopy]] applications, please follow the more strict instructions under [[Video Playback#FFmpeg]]

The following are examples of conversions that we commonly use. For [[Psychopy]] applications, please follow the more strict instructions under [[Video Playback#FFmpeg]].

===Basic Format Conversion===

===Basic Format Conversion===

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</syntaxhighlight >

The command within <code>subprocess.run()</code> is the same as you would type into the command line. You can use Python's [https://docs.python.org/3/tutorial/inputoutput.html#tut-f-strings string formatting] to insert variables.

The command within <code>subprocess.run()</code> is the same as you would type into the command line. You can use Python's [https://docs.python.org/3/tutorial/inputoutput.html#tut-f-strings string formatting] to insert variables.

==See Also==  

==See Also==  

* [[Video Codecs]]

* [[Video Codecs]]